PIC18LF2439-I/SP Microchip Technology, PIC18LF2439-I/SP Datasheet - Page 179

• Manufacturer Part Number: PIC18LF2439-I/SP
• Description: IC MCU FLASH 6KX16 EE A/D 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2439-I/SP

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 12KB (6K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 640 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 640 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

FIGURE 17-6:
FIGURE 17-7:
 2002 Microchip Technology Inc.
RC7/RX/DT
pin
RC6/TX/CK
pin
TXREG Reg
TXIF bit
(Interrupt Flag)
TRMT bit
TXEN bit
Write to
Note:
TRMT
RC7/RX/DT pin
RC6/TX/CK pin
Sync Master mode; SPBRG = '0'. Continuous transmission of two 8-bit words.
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
'1'
TXREG reg
TRMT bit
TXEN bit
Write to
TXIF bit
Write Word1
SYNCHRONOUS TRANSMISSION
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
bit 0
Write Word2
bit 1
Word 1
bit0
bit 2
Preliminary
bit1
Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
bit 7
bit2
bit 0
Word 2
bit 1
bit6
PIC18FXX39
bit7
DS30485A-page 177
bit 7
'1'